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GPT-5 vs Mistral Large 3
A detailed comparison of GPT-5 (OpenAI) and Mistral Large 3 (Mistral) across pricing, performance, and features.
Pricing Comparison
| Metric | GPT-5 | Mistral Large 3 | Difference |
|---|---|---|---|
| Input / 1M tokens | $1.25 | $2.00 | +60% |
| Output / 1M tokens | $10.00 | $5.00 | -50% |
| Context window | 128K | 128K | — |
| Max output | 16.384K | 16.384K | — |
Benchmark Comparison
| Benchmark | GPT-5 | Mistral Large 3 |
|---|---|---|
| MMLU-Pro | 88.5% | 83% |
| HumanEval | 95% | 91% |
| GPQA | 73.5% | — |
Capabilities
| Capability | GPT-5 | Mistral Large 3 |
|---|---|---|
| audio | ✓ | ✗ |
| code | ✓ | ✓ |
| reasoning | ✓ | ✓ |
| text | ✓ | ✓ |
| tool-use | ✓ | ✓ |
| vision | ✓ | ✓ |
GPT-5 Strengths
- ✓Strong all-around performance
- ✓Good price for flagship tier
- ✓Multimodal including audio
GPT-5 Weaknesses
- ✗128K context vs 200K+ for newer models
- ✗Codex variants better for pure coding
Mistral Large 3 Strengths
- ✓Low output cost ($5/1M) for a flagship
- ✓Strong multilingual support
- ✓European data sovereignty option
Mistral Large 3 Weaknesses
- ✗Lower benchmarks than top-tier competitors
- ✗Smaller ecosystem
Quick Verdict
Best value: Mistral Large 3 is the more affordable option at $2/$5 per 1M tokens.
Higher benchmarks: Mistral Large 3 scores higher on average across available benchmarks (87.0% avg).
Choose Mistral Large 3 if cost matters most. Choose GPT-5 if you need the best possible quality for complex tasks.